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Method for picking up underground deep structure information

A structural information and deep technology, which is applied in the field of uranium ore geophysical exploration, can solve problems such as untargeted methods of picking up deep underground structural information, and achieve the effects of high effectiveness, concise process operation, and strong operability.

Active Publication Date: 2020-04-21
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0005] The purpose of the present invention is to address the deficiencies of the prior art and provide a method for picking up deep underground structure information, which is used to solve the technical problems of the untargeted deep underground structure information picking method in the prior art

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  • Method for picking up underground deep structure information
  • Method for picking up underground deep structure information

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Embodiment Construction

[0029] A method for picking up deep underground structure information of the present invention will be described in detail below in conjunction with embodiments.

[0030] A method for picking up deep underground structure information, comprising the steps of:

[0031] Step 1: Carry out real-time dynamic positioning technology surveys in the uranium resource exploration area of ​​a certain basin, and obtain precise latitude and longitude coordinates and elevation data of the survey points;

[0032] Step 2: According to the actual situation, choose a small scale to arrange the survey network in the basin exploration area, and carry out high-precision gravity measurement in the area to obtain gravity data;

[0033] Step 3: Collect data related to the rock density in the basin or collect the main types of rock samples in the survey area, measure their density, and obtain the average density parameters of each type of rock mass or formation rock;

[0034] Step 4: Perform elevation...

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Abstract

The invention belongs to the technical field of uranium mine geophysical exploration, and particularly relates to a method for picking up underground deep structure information. The method comprises the following steps of: acquiring precise longitude and latitude coordinates and elevation data of measuring points in a uranium resource exploration region of a basin; selecting a small scale to deploy a measuring net in the basin exploration region, and carrying out high-precision gravity measurement in the region to obtain gravity data; performing density measurement on a rock specimen in the collection and investigation region; carrying out elevation correction, Bouguer gravity anomaly correction and latitude correction on the gravity data to obtain gravity anomaly delta g values of the measuring points, carrying out edge expansion processing, and performing gridding processing on all the smoothed delta g values to obtain a Bouguer gravity anomaly grid and the like; and analyzing and interpreting the residual map in combination with the rock stratum density data in the step 3, and extracting the change features of the deep structure information in the region.

Description

technical field [0001] The invention belongs to the technical field of uranium ore geophysical prospecting, and in particular relates to a method for picking up underground deep structure information. Background technique [0002] Gravity balance anomalies can provide valuable reference information for the study of regional deep structure, lithosphere deformation, crustal structure and stress field state. Based on Airy's assumption that the fluctuations of the surface terrain are completely compensated by the fluctuations of the Moho surface, the so-called mountain root or anti-mountain root, the equilibrium anomaly can more accurately reflect the real situation of the deep underground structure, and the equilibrium adjustment can make the state of the deep crust tend to be balanced. Underground internal tectonic forces can disrupt this balance. Therefore, the equilibrium anomaly is closely related to deep tectonic activities and mineralization activities. [0003] In the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V7/00
CPCG01V7/00
Inventor 喻翔胡小婕张东辉武鼎汪硕梁永顺杨龙泉
Owner BEIJING RES INST OF URANIUM GEOLOGY
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